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Originally Posted by MikeB  Remember that under 1500 calories per day you go into starvation and your body basically shuts down your metabolism. |
Three things here:
1. There is no set caloric intake level that triggers the starvation mode.
2. The physiological survival mechanisms that many call the "starvation mode or response" is not an instant flip of a switch. Rather, it's a process.
3. As long as there are no pre-existing medical conditions.... the metabolism does NOT shutdown. The largest documented slowdown in a clinical setting was the Minnesota Starvation Experiment. Here, they literally starved the test subjects to mimick post-war conditions as well as the conditions of the Nazi camps. With extreme staration, the largest metabolic down-regulation was only 30% from base.
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Eating once per day again sends your metabolism into a tailspin and forces it to slow everything down.
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I certainly do NOT advocate eating 1-2 meals per day. However, meal frequency is not really associated with metabolic rate. At the end of the day, in terms of metabolic rate, there is no real difference between eating 3 meals per day and eating 7+ meals per day.
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At 200 calories per day after awhile you'd want to eat your own arm off.
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This is for the original poster.
Were you counting your drinks when you mentioned how many calories you were eating?
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You must do resistance training or you will be losing muscle mass while you cut
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You'd be surprised what an obese person can get away with without losing muscle. Compare them to their leaner counterparts.... sure, resistance training becomes critical for body recomposition as well as muscle maintenance.
Being very obese though, changes the playing field. They can handle a bigger deficit without running into 'dieting disasters' (ie. hormonal disruptions to insulin, ghrelin, leptin, peptide YY, muscle loss, stalled fat loss, etc).
Even without weight training. Not that I advocate it.
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muscle allows you to burn more calories while resting which in turn makes it easier to drop weight.
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Current figures show that 1 lb of muscle only burns 6 calories. You would have to gain a metric-ton of weight to make a big difference.
And not that you said this or anything.... but nobody is going to be gaining any *serious* amounts of muscle while dieting.
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Starving yourself is NOT the answer....
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I concur.
Sorry to pick apart your post. It wasn't meant as an insult, at all!